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Subject: Proposal for i021


The high-level view is that it would be nice to restrict the 
piggybacking of acks to situations where we are sure that there is an RM 
agent at the other end.

Replace the beginning of section 3.9 with the following:

The RM Destination informs the RM Source of successful message receipt 
using a
SequenceAcknowledgement header block. The RM Destination MAY Transmit the
SequenceAcknowledgement header block independently or it MAY include the
SequenceAcknowledgement header block on existing messages targeted to 
the AcksTo EPR.

When the SequenceAcknowledgement header block is included on existing 
messages, this is known as piggybacking. Piggybacking MAY occur in two 
cases:

   * The first case is where the SequenceAcknowledgement header block
     is piggybacked onto a reply to a Sequence Traffic Message. In this
     case the SequenceAcknowledgement must apply to the same Sequence
     as the SequenceTrafficMessage. The definition of reply used is
     that defined by the WS-Addressing relationship URI
     "http://www.w3.org/2005/08/addressing/reply";.
   * The second case is where the existing message is a Sequence
     Traffic Message. In this case the Sequence of the Sequence Traffic
     Message does not need to be the same as the Sequence of the
     SequenceAcknowledgement header block.

Piggybacking MUST not occur unless one or both of these cases apply.

Paul

-- 
Paul Fremantle
VP/Technology and Partnerships, WSO2 
OASIS WS-RX TC Co-chair

http://bloglines.com/blog/paulfremantle
paul@wso2.com
(646) 290 8050

"Oxygenating the Web Service Platform", www.wso2.com





-- 
Paul Fremantle
VP/Technology and Partnerships, WSO2 
OASIS WS-RX TC Co-chair

http://bloglines.com/blog/paulfremantle
paul@wso2.com
(646) 290 8050

"Oxygenating the Web Service Platform", www.wso2.com




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